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You searched for: subject:"phase transitions"
[texts]Phonons and phase transitions in finite nuclei (Volume 105) - Zamfir, N.V.
Journal of Research of the National Institute of Standards and Technology
Keywords: phase coexistence; nuclear phase transitions; phonon states
Downloads: 82
[texts]Solid-phase behavior of several long-chain n-paraffins, esters, and a ketone (Volume 78A) - Sullivan, Peter K.
Journal of Research of the National Bureau of Standards
Keywords: Dielectric loss; n-paraffins; phase transitions; x-ray scattering
Downloads: 40
[texts]Effect of environment on viscous flow in inorganic oxide glasses (Volume 75A) - Simmons, Joseph H.
Journal of Research of the National Bureau of Standards
Keywords: Critical point theories; immiscibility; phase transitions; structural relaxation; transport phenomena; viscous flow
Downloads: 49
[texts]Structural and Ferroelectric Characterizations of K(Nb0.8Mg0.2)O2.4F0.6 Multifunctional Ceramics
Pellets were prepared from a powder mixture of 80 mol. % of potassium niobate (KNbO3) and 20 mol. % of potassium magnesium fluoride (KMgF3). The pellets were sintered at 900 ° C for 15 h in gold sealed tubes. The structural transformations in the obtained oxyfluoride K(Nb0.8Mg0.2)O2.4F0.6 were checked by X-ray diffraction (XRD) from room temperature to 525 ° C. The phase transitions were investigated by dielectric measurements (DE), differential thermal analysis (DTA) and differential ...
Keywords: Ceramic; K(Nb0.8Mg0.2)O2.4F0.6; Phase Transitions
Downloads: 24
[texts]Thermal Energy- Part2B - Power Cycles with Two-Phase Media (Vapor Power Cycles) - Zoltan Spakovszky
In this section, we examine cycles that use two-phase media as the working fluid. These can be combined with gas turbine cycles to provide combined cycles which have higher efficiency than either alone. They can also be used by themselves to provide power sources for both terrestrial and space applications. The topics to be covered are: i) Behavior of two-phase systems: equilibrium, pressure temperature relations ii) Carnot cycles with two-phase media iii) Rankine cycles iv) Combined cycles
Keywords: Physics; Statistical Physics and Thermodynamics; Phase Transitions; Thermodynamics; Carnot Cycle; Heat and Work; Phase Changes; Physics
Downloads: 21
[texts]Numeric databases in chemical thermodynamics at the National Institute of Standards and Technology (Volume 94) - Chase, M.W.
Journal of Research of the National Institute of Standards and Technology
Keywords: chemical thermodynamics; vapor pressure; chemical thermodynamics data; data files; enthalpy; numeric databases; phase transitions
Downloads: 106
[texts]General Physics - L.D. Landau, A.I. Akhiezer & E.M. Lifshitz
L.D. Landau, A.I. Akhiezer & E.M. Lifshitz General Physics ( Mechanics & Molecular Physics ) Pergamon Press 1967 Acrobat 7 Pdf 15.2 Mb. Scanned by artmisa using Canon DR2580C + flatbed option
Keywords: Particle Mechanics; Fields; Motion; Oscillations; Matter; Symmetry; Heat; Viscosity; Phase Transitions; Solutions; Surface Phenomena; Diffusion; Solids
Downloads: 11,992
[texts]Crystal Structure and Phase Transitions of solid deuterium iodide Ph D thesis John H Clarke 1975 - John Hartley Clarke;Dr John H Clarke john.h.clarke@ntlworld.com
Crystal Structure and Phase Transitions of solid deuterium iodide Ph D thesis John H Clarke 1975 London University The crystal structure of solid deuterium iodide was studied by thermal neutron and X-ray diffraction at three temperatures. At 4.2K the low phase structure is ordered, monoclinic space group C2/c, with 16 molecules in the unit cell. At 84K a two-fold disordered orthorhombic structure, space group Bbcm, is proposed with four molecules in the unit cell, each deuterium atom oscillating...
Keywords: Structure of solid deuterium iodide; Hydrogen Iodide; Deuterium Iodide; J H Clarke; London University; Solid Deuterium Iodide phase transitions
Downloads: 165
[texts]Heat and Thermodynamics - Mark W. Zemansky
Mark W. Zemansky Heat and Thermodynamics ( 5th.ed.) McGraw-Hill Book Company Inc. 1968 Acrobat 7 Pdf 114 Mb. Scanned by artmisa using Canon DR2580C + flatbed option
Keywords: Physics; Temperature; PV; Work; First Law; Ideal Gases; Kinetic Theory; Second Law; Refrigerators; Kelvin; Entropy; Statistical Mechanics; Phase Transitions; Cryogenics; Superconductivity; Superfluidity; Helium; Ideal Gas; Chemical Equilibrium
Downloads: 11,098
[texts]Lecture Notes in Statistical Mechanics- Lecture 4A - Methods of Statistical Mechanics - Igor Vilfan
In the following, we shall introduce and formulate the MFA for magnetic systems. In the Appendix A, we summarize basic thermodynamic relations for magnetic systems. The results, however, are valid also for other systems.
Keywords: Physics; Statistical Physics and Thermodynamics; Fundamentals of Classical Statistical Mechanics; Phase Transitions; Thermodynamics; Free Energy; Critical Point and Critical Exponents; Ising Model; Landau Theory; Symmetries and Order Parameters; Physics
Downloads: 31
[texts]mit :: ai :: aim :: AIM-1330
From the bitsavers.org collection, a scanned-in computer-related document.mit :: ai :: aim :: AIM-1330
Keywords: polymer; gels; gel; contractile; journal; chemical; artificial; acrylamide; contraction; actuator; artificial muscle; phase transitions; volume change; physical review; electrically activated; artificial urethral; activated contractile; polymer network; paraffin oil; mechanical parameters
Downloads: 40
[texts]Quantum Condensed Matter Field Theory- Broken Symmetry and Collective Phenomena - Ben Simons
We will learn how elements of perturbation theory can be formulated e_ciently by staying �rmly within the framework of the �eld integral. In doing so, we will see how the �eld integral provides a method for identifying and exploring non-trivial reference ground states � �mean��elds�. A fusion of perturbative and mean��eldmethods will provide us with analytical machinery powerful enough to address a spectrum of rich applications.
Keywords: Physics; Condensed Matter; Particle Physics and Fields; Quantum Physics; Statistical Physics and Thermodynamics; General Theory of Fields and Particles; Quantum Field Theory; Phase Transitions; Field Theory; Symmetry and Conservation Laws; Mean Field Theory; Physics
Downloads: 22
[movies]3.320 Atomistic Computer Modeling of Materials, Spring 2005
This course uses the theory and application of atomistic computer simulations to model, understand, and predict the properties of real materials. Specific topics include: energy models from classical potentials to first-principles approaches; density functional theory and the total-energy pseudopotential method; errors and accuracy of quantitative predictions: thermodynamic ensembles, Monte Carlo sampling and molecular dynamics simulations; free energy and phase transitions; fluctuations and tra...
Keywords: simulation; computer simulation; atomistic computer simulations; Density-functional theory; DFT; Hartree-Fock; total-energy pseudopotential; thermodynamics; thermodynamic ensembles; quantum mechanics; first-principles; Monte Carlo sampling; molecular dynamics; finite temperature; Free energies; phase transitions; Coarse-graining; mesoscale model; nanotube; alloy
Downloads: 14,070
[audio]MIT3.20F03 - MIT OpenCourseWare
Material covered in this course includes the following topics: * Laws of thermodynamics: general formulation and applications to mechanical, electromagnetic and electrochemical systems, solutions, and phase diagrams * Computation of phase diagrams * Statistical thermodynamics and relation between microscopic and macroscopic properties, including ensembles, gases, crystal lattices, phase transitions * Applications to phase stability and properties of mixtures * Computational modeling * Interfaces
Keywords: thermodynamics; mechanical; electromagnetic and electrochemical systems; phase diagrams; Statistical thermodynamics; microscopic and macroscopic properties; ensembles; gases; crystal lattices; phase transitions; phase stability; properties of mixtures; Computational modeling; Interfaces; mechanical; electromagnetic and electrochemical systems; phase stability; properties of mixtures; Computational modeling; Interfaces; Interfaces; Computational modeling; mechanical systems; electromagnetic systems; electrochemical systems; laws of thermodynamics; solutions; microscopic properties; macroscopic properties
Downloads: 180
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